private long[] ReadNodesForLabel(LabelScanStore labelScanStore)
{
using (LabelScanReader reader = labelScanStore.NewReader())
{
return(PrimitiveLongCollections.asArray(reader.NodesWithLabel(_labelId)));
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void visitOnlyLabeledNodes() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void VisitOnlyLabeledNodes()
{
LabelScanReader labelScanReader = mock(typeof(LabelScanReader));
when(_labelScanStore.newReader()).thenReturn(labelScanReader);
when(_nodeLabelRanges.maxCount()).thenReturn(1L);
PrimitiveLongResourceIterator labeledNodesIterator = PrimitiveLongResourceCollections.iterator(null, 1, 2, 3, 4, 5, 6, 7, 8);
when(_nodeStore.HighestPossibleIdInUse).thenReturn(200L);
when(_nodeStore.HighId).thenReturn(20L);
when(labelScanReader.NodesWithAnyOfLabels(new int[] { 2, 6 })).thenReturn(labeledNodesIterator);
when(_nodeStore.openPageCursorForReading(anyLong())).thenReturn(mock(typeof(PageCursor)));
MockLabelNodeCount(_countStore, 2);
MockLabelNodeCount(_countStore, 6);
DynamicIndexStoreView storeView = DynamicIndexStoreView();
StoreScan <Exception> storeScan = storeView.VisitNodes(new int[] { 2, 6 }, _propertyKeyIdFilter, _propertyUpdateVisitor, _labelUpdateVisitor, false);
storeScan.Run();
Mockito.verify(_nodeStore, times(8)).getRecordByCursor(anyLong(), any(typeof(NodeRecord)), any(typeof(RecordLoad)), any(typeof(PageCursor)));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldFindDecentAmountOfNodesForALabel() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldFindDecentAmountOfNodesForALabel()
{
// GIVEN
// 16 is the magic number of the page iterator
// 32 is the number of nodes in each lucene document
const int labelId = 1;
int nodeCount = 32 * 16 + 10;
Start();
Write(new PrefetchingIteratorAnonymousInnerClass(this, labelId, nodeCount));
// WHEN
ISet <long> nodeSet = new SortedSet <long>();
LabelScanReader reader = _store.newReader();
LongIterator nodes = reader.NodesWithLabel(labelId);
while (nodes.hasNext())
{
nodeSet.Add(nodes.next());
}
reader.Close();
// THEN
assertEquals("Found gaps in node id range: " + Gaps(nodeSet, nodeCount), nodeCount, nodeSet.Count);
}
private void VerifyReads(long[] expected)
{
using (LabelScanReader reader = _store.newReader())
{
for (int i = 0; i < LABEL_COUNT; i++)
{
long[] actualNodes = asArray(reader.NodesWithLabel(i));
long[] expectedNodes = NodesWithLabel(expected, i);
assertArrayEquals(expectedNodes, actualNodes);
}
}
}
private void CloseSchemaResources()
{
if (_indexReaderFactory != null)
{
_indexReaderFactory.close();
// we can actually keep this object around
}
if (_labelScanReader != null)
{
_labelScanReader.close();
_labelScanReader = null;
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private static void checkLabelScanStoreAccessible(org.neo4j.kernel.api.labelscan.LabelScanStore labelScanStore) throws java.io.IOException
private static void CheckLabelScanStoreAccessible(LabelScanStore labelScanStore)
{
int labelId = 1;
using (LabelScanWriter labelScanWriter = labelScanStore.NewWriter())
{
labelScanWriter.Write(NodeLabelUpdate.labelChanges(1, new long[] {}, new long[] { labelId }));
}
using (LabelScanReader labelScanReader = labelScanStore.NewReader())
{
assertEquals(1, labelScanReader.NodesWithLabel(labelId).next());
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldFindNodesWithAllGivenLabels() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldFindNodesWithAllGivenLabels()
{
// GIVEN
int labelId1 = 3;
int labelId2 = 5;
int labelId3 = 13;
Start();
// WHEN
Write(iterator(labelChanges(5, EMPTY_LONG_ARRAY, new long[] { labelId1, labelId2, labelId3 }), labelChanges(8, EMPTY_LONG_ARRAY, new long[] { labelId3 }), labelChanges(3, EMPTY_LONG_ARRAY, new long[] { labelId1 }), labelChanges(6, EMPTY_LONG_ARRAY, new long[] { labelId2 }), labelChanges(1, EMPTY_LONG_ARRAY, new long[] { labelId1 }), labelChanges(7, EMPTY_LONG_ARRAY, new long[] { labelId2 }), labelChanges(4, EMPTY_LONG_ARRAY, new long[] { labelId1, labelId3 }), labelChanges(2, EMPTY_LONG_ARRAY, new long[] { labelId1, labelId2 }), labelChanges(9, EMPTY_LONG_ARRAY, new long[] { labelId3 })));
// THEN
using (LabelScanReader reader = _store.newReader())
{
assertArrayEquals(new long[] { 2, 5 }, PrimitiveLongCollections.asArray(reader.NodesWithAllLabels(new int[] { labelId1, labelId2 })));
assertArrayEquals(new long[] { 4, 5 }, PrimitiveLongCollections.asArray(reader.NodesWithAllLabels(new int[] { labelId1, labelId3 })));
assertArrayEquals(new long[] { 5 }, PrimitiveLongCollections.asArray(reader.NodesWithAllLabels(new int[] { labelId1, labelId2, labelId3 })));
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldWorkWithAFullRange()
public virtual void ShouldWorkWithAFullRange()
{
// given
long labelId = 0;
IList <NodeLabelUpdate> updates = new List <NodeLabelUpdate>();
ISet <long> nodes = new HashSet <long>();
for (int i = 0; i < 34; i++)
{
updates.Add(NodeLabelUpdate.labelChanges(i, new long[] {}, new long[] { labelId }));
nodes.Add(( long )i);
}
Start(updates);
// when
LabelScanReader reader = _store.newReader();
ISet <long> nodesWithLabel = PrimitiveLongCollections.toSet(reader.NodesWithLabel(( int )labelId));
// then
assertEquals(nodes, nodesWithLabel);
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private void shouldStartFromGivenId(int sparsity) throws java.io.IOException
private void ShouldStartFromGivenId(int sparsity)
{
// given
NativeLabelScanStore store = Life.add(new NativeLabelScanStore(Storage.pageCache(), DatabaseLayout.of(Storage.directory().directory()), Storage.fileSystem(), EMPTY, false, new Monitors(), immediate()));
int labelId = 1;
int highNodeId = 100_000;
BitArray expected = new BitArray(highNodeId);
using (LabelScanWriter writer = store.NewWriter())
{
int updates = highNodeId / sparsity;
for (int i = 0; i < updates; i++)
{
int nodeId = Random.Next(highNodeId);
writer.Write(labelChanges(nodeId, EMPTY_LONG_ARRAY, new long[] { labelId }));
expected.Set(nodeId, true);
}
}
// when
long fromId = Random.Next(highNodeId);
int nextExpectedId = expected.nextSetBit(toIntExact(fromId + 1));
using (LabelScanReader reader = store.NewReader(), PrimitiveLongResourceIterator ids = reader.NodesWithAnyOfLabels(fromId, new int[] { labelId }))
{
// then
while (nextExpectedId != -1)
{
assertTrue(ids.hasNext());
long nextId = ids.next();
assertEquals(nextExpectedId, toIntExact(nextId));
nextExpectedId = expected.nextSetBit(nextExpectedId + 1);
}
assertFalse(ids.hasNext());
}
}
public override PrimitiveLongResourceIterator NodesGetForLabel(int labelId)
{
return(LabelScanReader.nodesWithLabel(labelId));
}
